97015155252 has 12 divisors (see below), whose sum is σ = 226368695616. Its totient is φ = 32338385080.

The previous prime is 97015155239. The next prime is 97015155253. The reversal of 97015155252 is 25255151079.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97015155253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042298124 + ... + 4042298147.

It is an arithmetic number, because the mean of its divisors is an integer number (18864057968).

Almost surely, 2^97015155252 is an apocalyptic number.

It is an amenable number.

97015155252 is an abundant number, since it is smaller than the sum of its proper divisors (129353540364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97015155252 is a wasteful number, since it uses less digits than its factorization.

97015155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084596278 (or 8084596276 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 97015155252 in words is "ninety-seven billion, fifteen million, one hundred fifty-five thousand, two hundred fifty-two".